Задание 3. Передайте краткое содержание прослушанного текста на русском языке.
Задание 4. Ответьте на вопросы по содержанию текста:
What is caries caused by?
What is caries characterized by?
What are the objective signs of caries?
Does carious process develop rapidly or slowly?
What are treatment methods of dental caries?
What preventive factors must the dentists pay much attention to?
Задание 5. Передайте содержание текста на английском языке.
Dialogues
Задание 1. Слушайте и запоминайте следующие слова и словосочетания:
cavity полость
sensitive чувствительный
heat тепло
to get loose расшататься
ache боль
checkup проверка, осмотр
to restore восстанавливать
temporary временный
to spread распространяться
Задание 2. Прослушайте диалог:
At the Dentist's
Dentist: What's wrong, David?
Patient: I have a toothache. It's a lower tooth on the right.
D.: Is there a cavity?
P.: I don't think so. It is sensitive to heat and cold; besides I can t sleep at night.
D.: Let me have a look at it. There is a filling here, but I am afraid it has got loose. When did the ache appear?
P.: Two weeks ago.
D.: You should have come for a checkup long ago. You'd better have it X-rayed.
(The dentist has the tooth X-rayed and then examines the picture).
D.: I am afraid I'll have to fill the root canal.
P.: Is it possible to restore the tooth?
D.: Yes, I'll clean the root canal and put a temporary filling because the inflammatory process has spread on the surrounding tissues. You'll come to me again tomorrow.
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